Exercise device



FIG. 1 is a view showing one side and is a mirror opposite of the other side of the design;

FIG. 2 is a view showing one edge and is a mirror opposite of the other edge of the design;

FIG. 3 is a view showing one end of the design;

FIG. 4 is a view showing the other end of the design; and,

FIG. 5 is a sectional view taken as indicated by line 5--5 on FIG. 2. 

The ornamental design for an exercise device, as shown. 